Network: 307000 - Disclosure - Note G. Part 3. Loss Contingency Accrual (http://www.abc.com/role/LossContingencyAccrual)

Line Label Object Class Period Type Balance Name
1 307000 - Disclosure - Note G. Part 3. Loss Contingency Accrual [Network]

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 http://www.abc.com/role/LossContingencyAccrual
2 Loss Contingency Accrual [Table] [Table]

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 abc:LossContingencyAccrualTable
3 Report Date [Axis] [Axis]

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 us-gaap:CreationDateAxis
4 Financial Statements Date [Domain] [Domain]

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 us-gaap:DefaultFinancialStatementsDateMember
5 As Reported February 12, 2011 [Member] [Member] For Period

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 abc:AsReportedFebruary122011Member
6 Legal Entity [Axis] [Axis]

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 dei:LegalEntityAxis
7 Consolidated Entity [Domain] [Domain]

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 dei:EntityDomain
8 Loss Contingencies by Nature of Contingency [Axis] [Axis]

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 us-gaap:LossContingenciesByNatureOfContingencyAxis
9 Loss Contingency, Nature [Domain] [Domain]

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 us-gaap:LossContingencyNatureDomain
10 Pending or Threatened Litigation [Member] [Member]

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 us-gaap:PendingOrThreatenedLitigationMember
11 Loss Contingency Accrual [Line Items] [Line Items]

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 abc:LossContingencyAccrualLineItems
12 Loss Contingency Accrual [Roll Forward] [Abstract]

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 us-gaap:LossContingencyAccrualRollForward
13 Loss Contingency Accrual, at Carrying Value, Beginning Balance [Concept] Monetary As Of Credit us-gaap:LossContingencyAccrualAtCarryingValue
14 Loss Contingency Accrual, Carrying Value, Period Increase (Decrease) [Roll Up] [Abstract]

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 abc:LossContingencyAccrualCarryingValuePeriodIncreaseDecreaseRollUp
15 Loss Contingency Accrual, Carrying Value, Provision [Concept] Monetary For Period Credit us-gaap:LossContingencyAccrualCarryingValueProvision
16 Loss Contingency Accrual, Carrying Value, Payments [Concept] Monetary For Period Debit us-gaap:LossContingencyAccrualCarryingValuePayments
17 Loss Contingency Accrual, Carrying Value, Period Increase (Decrease), Total [Concept] Monetary For Period

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 us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease
18 Loss Contingency Accrual, at Carrying Value, Ending Balance [Concept] Monetary As Of Credit us-gaap:LossContingencyAccrualAtCarryingValue